University of Wisconsin – Madison: “Thousands of miles of buried fiber optic cable in densely populated coastal regions of the United States may soon be inundated by rising seas, according to a new study by researchers at the University of Wisconsin-Madison and the University of Oregon. The study, presented here today (July 16, 2018) at a meeting of internet network researchers, portrays critical communications infrastructure that could be submerged by rising seas in as soon as 15 years, according to the study’s senior author, Paul Barford, a UW-Madison professor of computer science. “Most of the damage that’s going to be done in the next 100 years will be done sooner than later,” says Barford, an authority on the “physical internet” — the buried fiber optic cables, data centers, traffic exchanges and termination points that are the nerve centers, arteries and hubs of the vast global information network. “That surprised us. The expectation was that we’d have 50 years to plan for it. We don’t have 50 years.” The study, conducted with Barford’s former student Ramakrishnan Durairajan, now of the University of Oregon, and Carol Barford, who directs UW-Madison’s Center for Sustainability and the Global Environment, is the first assessment of risk of climate change to the internet. It suggests that by the year 2033 more than 4,000 miles of buried fiber optic conduit will be underwater and more than 1,100 traffic hubs will be surrounded by water. The most susceptible U.S. cities, according to the report, are New York, Miami and Seattle, but the effects would not be confined to those areas and would ripple across the internet, says Barford, potentially disrupting global communications…”

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